Sybilla is an intelligent de-esser designed with one purpose: reduce those sibilant in almost no time. It works dividing the input signal in 6 different bands carefully tuned to the sibilant sound frequencies, the output of these filters drive a VCA modeled compressor that has a smooth and pleasant response. This coupled with envelope followers "perfect for speech" gives Sybilla a very musical sound but effective de-essing.

Simple but effectiveSybilla has just two knobs, since the frequency detection is done automatically to always catch the most critical part you only have to decide how much the de-esser should work on those frequencies and if you like some of the original signal mixed in.